Bruce Murray Space Image Library

The TRAPPIST-1 system: Where might liquid water exist?

The TRAPPIST-1 system: Where might liquid water exist?
The TRAPPIST-1 system: Where might liquid water exist? This representation of the Trappist-1 system shows which planets could harbor liquid water. The inner three planets are likely too hot, and the outer planet is probably too cold, but the middle three planets might be just right. NASA / JPL-Caltech

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